/Engine/Plugins/Enterprise/DatasmithImporter/Source/DatasmithImporter/Public/DatasmithBlueprintLibrary.h
Destroy reference to the udatasmith file. The Scene will no longer be available. DestroyScene is called automatically after ImportScene.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Datasmith | Scene") void DestroyScene()